Combination lock mechanism for valves.



P. C. THOMPSON. COMBINATION LOCK MECHANISM FOR VALVES.

APPLICATION FILED OCT. 16, I914.

Patented Oct. 24, 1916. I 2 SHEETS-SHEET l I ENTOR.

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, P. C. THOMPSON.

COMBIN ATION LOCK MECHANISM FOR VALVES. I AEPLICATION FILED OCT. 16,1914. 7 1 202 124,. V Patented Oct. 24,1916.

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PARKER C. THOMPSON, OF WRIGHT CITY, .MISSOURI.

COMBINATION LOCK MECHANISM FOR VALVES. f

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1 Application filed October 16,

To all whom it may concern:

Be it known that I, PARKER C. THoMi SON, a citizen of the United States,and'resL- dent of Wright .City, county of Warren, State of Missouri,have invented certain new and useful Improvements in Combination LockMechanism for Valves, of which the following is a specification.-

This invention relates to improvements in a combination lock mechanismfor valves, and has for its object a combination tumbler mechanism solocated in a suitable housing and arranged to be broughtin contact witha lever mechanism directly connected to a valve for' locking said valvein a cut-off position whenever it is desired to do so.

A further object of'this invention is to construct a device which can beused for controlling the manipulation of the valve wherever the valvemay be applicable, such as on automobiles, water supply pipes forbuildings, gas, or in fact any purpose where valves are used inconnection with a pipe system; and where it is found necessary at timesto lock the valve and keep the same in a locked position, in order toprevent passage of the liquid or gas.

The essential object of my invention is to construct a combinationlockmechanism arranged conveniently on an automobile, the valve beingarranged in the pipe connection anywhere between the fuel tank and theengine and to be able to close thevalve and view of my invention showingthe combispective view of the dog made use ofin connation dial and thehandle by which the I valve mechanism is controlled. Fig. 3, is avertical sectional view of the same, taken approximately through thecenter of the combination locking mechanism. Fig. 4, is a view of oneside of one of the tumbler disks madeuse of. Fig. 5, is a reversed viewof the same. Fig. 6, is a detail side view of the combined tumblermechanism detached from the casing. Fig. .7, is an edge view of thesame. Fig. 8, is a top plan view of the same. Fig. 9, is a detailpernection with the tumbler mechanism. Fig.

Specification of Letters Patent.

Patented Oct. 24, 1916.

1914. Serial No. 866,920.

10, is a detail perspectiveiview of the valve operating arm. Fig. 11, isa detail perspective view of one of the connecting links made use of incompleting the valve operating mechanism. Fig. 12, is a detailperspective view of the valve locking plunger. Fig. 13, is a detailcentral sectional view of the primary tumbler disk.

In the construction of my invention I provide a suitable casing orhousing 14, arranged into an upper compartment 15, for the housing-ofthe tumbler mechanism 7 and a lower compartment 1,6, for the housingof'the valve and its opening mechanism.

These two compartments are divided by a. wall 17, this wall beingprovided with an opening 18, through which the valve locking plunger 19,operates whenever the tumbler mechanism is removed from its positionover the opening or aperture 18. The valve opcrating mechanism consistsin addition to 1 the valve locking plunger 19, of a rocking arm 20,firmly secured to a shaft 21, which has bearing in a projection 22,formed on the rear wall of the housing; the forward end of said shaftprojecting through the front wall 23, of thehousing and on the same is ahandle 24, by which said shaft can be operated. The one end 25 of therocking arm is pivotally attached to the valve of said rocking arm isconnected'to links 26, each formed as shown in Fig. 11. The bifurcatedends 27, of the links, straddle the valve operating arms 28, which aretwo in looking plunger'19, and the opposite end number and constructedas that shown in Fig. 10. r The square opening 29 of the arms is firmlyfitted over the valve stem 30, which controls the inner operatingmechanism of the Valve 3 1,'vvhioh valve may be of any,"

ordinary construction by which the fluid passing through the connectingpipes 32, may be shut-off.

' The combination locking mechanism which.

is located inthe compartment 15, consists of. a casting 33, having adependent'arm 34:,

which is arranged to contact with the upper surface of. the valvelo'cklng plunger, and said casting above the dependlng arm ter-'minates' into a wider and broader portion; the same having an internalrecess or opendisks36, 37, and 38. The top of this casting is providedwith an integral cross-bar'39,

from which projects a guide 40, under which the dog 41, is located andheld from lateral" :bar 43, which extends the entire width of thecasting, and is for the purpose to lodge vtumblersin alinement wheneversaid tumwithin the recesses 44, formed on the tum blerdisks, for holdingand locking said bler disks are in position by whichthe entire mechanismcan be releasedfrom its looking position over the top of the valvelooking plunger 19. The front wall of the hous- '-ing is provided withasleeve 45, on which the casting is mounted and in this sleeve isinserted a spindle 46, which 1s formed lntegral'with the knob 47, whichoperates the dial 48, for manipulating theicombination; And to the rearend of the spindle 46, is

firmly attached a primary tumbler disk 49. This disk is provided withanotch or recess ,50, on its outside in which the tooth-51, of

the dog is designed to be seated, and on the lnner surface of the disk18 a pro ecting pm '52; this pin operates in a groove 53, formed on onesurface of the tumbler disk 38, the

- groove having a projection 54, against which the pin 52, contacts forrotating this particular tumbler disk. The opposite surface of this diskis also provided with a pin which rides in a groove 55, formed in thedisk 37. The construction is identical with the groove 53, of the disk38, and its opposite surface is provided with a pin which rides in asimilar groove in the disk 36, whose construction is identical withthose previously described. I

7 On one wall of the housing is firmly lolated lugs or projections 56and 57, and are in a position as shown in Figs. 1 and 9. These lugs arefor the purpose to limit the upward movement of the bar 43, of the dog;and when the tumbler mechanism is shifted to one side as shown by dottedlines in Fig. 1, so that its dependent lug is away from the plunger.

while in this position.

' .When looking the valve or placing the samein a position as shown inFig'. 1, the knob of the combination is turned so that the mechanism isdirectly over the plunger,

. as shown by solid lines in Fig. 1. When in thisposition the bar 43, ofthe dog, is brought away fromthe under surfacev of the lug 56, andispermitted to rise slightly above: the periphery of the tumbler disks,when operating the knob'tothe left in order to disengage 'or mix-up. thetumbler disks,

and by turning the knob to'the left the dog itself into a notch 59,formed in the plunger 60, located on the shaft. The object of this isto. prevent the valve mechani m from shifting when in open position andthis is particularly designed as a safeguard when the device is used onautomobiles, in order to prevent the mechanism from accidentally jolting of the running machine.

Having fully described my invention what I claim is; 1. A .device of,the character described comprising a casing having an upper compartmentand a lower compartment; a spindle extending into the upper compartment;

' a plurality of tumbler disks located thereon,

a locking casting located in the upper compartmentya locking dog locatedin the casing and arranged to contact with the tumbler disks; a valve;and a valve operating mechanism located in the lower compartment, aplunger connected to the valve operating mechanism and arranged to beheld in locked position by the casting in the upper compartment, andmeans for operating the valve mechanism; and a locking mechanism forengaging or disengaging a connection, between the two, substantially asspecified.

2. A device of the class' described comprising a casing having an uppercompartment and a lower compartment; a valve located in the lowercompartment; a lever mechanism located in the lower compartment andconnected to the valve; a plunger connected to the valve operatingmechanism and-extending into the upper compart'ment; a tumbler mechanismlocated in the upper compartment adapted to be operated by a combinationdisk, and a casting connected to the tumbler mechanism for holding theplunger in depressed position substantially as specified.

3. A device of the class described comprising a casing divided into twocompartments, a valve mounted in the lower compartment, a rocking levermounted in the lower compartment, a plurality of links con- ,nectingoneend of the rocking lever with the'valve, a plunger connected with theopposite end on the rocking lever and extend- ..ing intothe uppercompartment, a handle connected to the rocking lever and extendng hro ghhe casing, l t h m un ed 0n being placed out of its set position by thethe casing for holding the valve in open position, a combinationoperated mechanism mounted in the upper compartment, and a rockingcasting for holding the plunger in locked position substantially asspecified.

4. A device of the class described comprising a casing divided into anupper and a lower compartment, a removable front closing bothcompartments, a spindle extending through the front into the uppercompartment, a combination diskand knob on the spindle and outside thecasing, a plurality of disks mounted on the spindle and within the uppercompartment, a casting having an elongated projection mounted on I thespindle and incasing the disks, a tumbler mechanism hingedly connectedto the casting, means for engaging the tumbler mechanism with the disks,means for partially rotating the casting, a valve mounted in the lowercompartment, arocking lever mounted in the lower compartment, a shaftex-- tending into the lower compartment on which the rocking lever ismounted, a handlemounted on said shaft and Without the easing, aplurality of links connected to one end of the rocking lever and thevalve, a plunger connected to the other end of the rocking lever andextending into the upper compartment, and a' latch mounted on the frontfor holding the valve in open position substantially as specified.

In testimony whereof, I have signed my name to this specification, inpresence of two subscribing witnesses.

PARKER C. THOMPSON.

Witnesses:

ALFRED A. EIcKs, WALTER C. STEIN.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents,

. Washington, D. 0.

